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平台:
EBSCOhost Academic Search Complete
(Available from 2004/01/01 until 2012/01/31.)
EBSCOhost Health Policy Reference Center
(Available from 2004/01/01 until 2012/01/31.)
EBSCOhost STM Source
(Available from 2004/01/01 until 2012/01/31.)
ProQuest Agricultural & Environmental Science Database
(Available from 2009/01/01 until 2009/12/31. Available from 2012/01/01 until 2012/01/31.)
ProQuest SciTech Premium Collection
(Available from 2009/01/01 until 2009/12/31. Available from 2012/01/01 until 2012/01/31.)
PubMed Central Open Access
(Available from 2004 volume: 1 until 2012 volume: 9.)
SpringerLink Open Access
(Available from 2004/12/01 volume: 1 issue: 1 until 2012/12/31 volume: 9 issue: 1.)